2666: The supremacy and sovereignty of Khalifa of Baghdad was strictly observed by Muslim kings in India because:

(a) Khalifa was treated as religious head of the Muslim community.

(b) Khalifa was treated as the legal head of the Muslim community.

(c) All the Muslim States in the world used to pay tributes to him.

(d) He used to decide all the cases efficiently.
2667: Guinea pigs used in medical research are:

(a) Rodents

(b) Black swine

(c) Stocky and brown in colour

(d) Found in Asia only
2668: The normal temperature of human body on the Kelvin scale is

(a) 280

(b) 290

(c) 300

(d) 310
2669: Gopal, Harsh, Inder, Jai and Krishnan have Ahmedabad, Bhopal, Cuttack, Delhi and Ernakulam as their hometowns (Not necessarily in that order). They are studying in Engineering, Medical, Commerce, Economics and History Colleges (Not necessarily in that order). None of the five boys is studying in his hometown, but each of them studies in one of the cities given above.
Further it is given that:

(i) Gopal's hometown is Ernakulam.

(ii) Harsh is not stuyding in Ahmedabad or Bhopal.

(iii) Economics College is in Bhopal.

(iv) Inder's hometown is Cuttack.

(v) Krishnan is studying in Delhi.

(vi) Jai is studying in Ernakulam and the History College is in his hometown Ahemdabad.

(vii) Engineering College is situated in Ernakulam


Which is Krishnan's hometown?

(A) Bhopal
(B) Cuttack
(C) Ahmedabad
(D) Cannot be determined
2670: Plants take nitrogen in the form of:

(a) Nitrites

(b) Ammonia

(c) Nitrates

(d) Element